A relay neurone, also known as an interneurone, is a type of nerve cell found in the central nervous system (the brain and spinal cord). It connects sensory neurones, which carry signals from receptors, to motor neurones, which send signals to effectors like muscles or glands. Relay neurones are important in reflex actions and help transmit and process information within the central nervous system, allowing the body to respond appropriately to different stimuli. They help to form complex pathways that allow us to think, react, and carry out everyday tasks.
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